Kids’ adidas Running Ultraboost 21 Shoes Wonder WhiteTake the daily runs to the next level. This next iteration of the adidas Ultraboost provides incredible energy return and responsiveness with the well being of the earth in mind. The new adidas Torsion System provides a 15% increase in forefoot bend for a more responsive run. Theres 6% more Boost capsules for even more energy return. And the Ultraboost 21s are made with Primeblue, a high performance recycled material made in part with Parley Ocean